avast is trying hard to get everything working again.
The real problem is that moronic Chinese government and their great firewall.
houkai,
and you think the Chinese government is not blocking proxy servers?
Come on, get real.
Luckily there is solution for those in China if the automatic updates are not working.
https://www.avast.com/download-updateDownload the latest vps and install it manually.
If you can't download or visit the website, have a friend (or someone else) send the vps to you by email.
If needed have someone send it to you on a removable device.